Analysis Report afdab907_by_Libranalysis

ID:	412299
Product:	CloudBasic
Start time:	15:38:59
Start date:	12.05.2021
Sample:	afdab907_by_Libranalysis
Cookbook:	defaultwindowsofficecookbook.jbs
System description:	Windows 7 x64 SP1 with Office 2010 SP2 (IE 11, FF52, Chrome 57, Adobe Reader DC 15, Flash 25.0.0.127, Java 8 Update 121, .NET 4.6.2)
Architecture:	WINDOWS
MD5:	afdab90737c55a669e7025df2fa86efe
SHA1:	39a056a263368dcb1fb98a2226eae7c9d1488453
SHA256:	d61e90fe268528db7a0eee66f064270a519b2843a59642923b137ec2b81fe5e2
Filetype:	Microsoft Excel sheet (30009/1) 78.94%

Name	Type	MD5	SHA1	SHA256
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	Microsoft Cabinet archive data, 59863 bytes, 1 file	15775D95513782F99CDFB17E65DFCEB1	6C11F8BEE799B093F9FF4841E31041B081B23388	477A9559194EDF48848FCE59E05105168745A46BDC0871EA742A2588CA9FBE00
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	data	D4AE187B4574036C2D76B6DF8A8C1A30	B06F409FA14BAB33CBAF4A37811B8740B624D9E5	A2CE3A0FA7D2A833D1801E01EC48E35B70D84F3467CC9F8FAB370386E13879C7
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	data	022B42B850FFEBEBE0589A8F55778533	4D43F0391DF0E3052593F463060C1B774CFD4EBC	56179A6C3991401CD80D817F330A23341F9766568364E72BEE43C0ABD441C9FD
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	data	81506943EB48801C4C2D3CEF39C2010C	3CE4DE32C06BDFD98964FF936BF5D8A9724EDE28	D77D0D4C926CB389757FAF7B7F7E3C43281C85647500B770292322A52445819B
C:\Users\user\AppData\Local\Temp\C9EE0000	data	23A16496A774D2664ED6876017BC8368	9E58C1F6CEB9821853B0F1529FF2714492BFE392	CEB3E85D6F09EA5574D2D8EBDF9C0FF6B281D9F83B6E938406127899465C3AC3
C:\Users\user\AppData\Local\Temp\CabF3F1.tmp	Microsoft Cabinet archive data, 59863 bytes, 1 file	15775D95513782F99CDFB17E65DFCEB1	6C11F8BEE799B093F9FF4841E31041B081B23388	477A9559194EDF48848FCE59E05105168745A46BDC0871EA742A2588CA9FBE00
C:\Users\user\AppData\Local\Temp\TarF3F2.tmp	data	78CABD9F1AFFF17BB91A105CF4702188	52FA8144D1FC5F92DEB45E53F076BCC69F5D8CC7	C7B6743B228E40B19443E471081A51041974801D325DB4ED8FD73A1A24CBD066
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\Desktop.LNK	MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Read-Only, Directory, ctime=Tue Oct 17 10:04:00 2017, mtime=Wed May 12 21:39:45 2021, atime=Wed May 12 21:39:45 2021, length=8192, window=hide	5D80191D1F8BE805F706CAD750FD63D4	1E6BBB6393856DBB1136512606BD3A79F57B9BDE	15DBD6C98EDA34B58D3355DA5E7331B6D78D253D5C8CE516ED7FA25B6FCCE579
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\afdab907_by_Libranalysis.LNK	MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Archive, ctime=Wed May 12 21:39:31 2021, mtime=Wed May 12 21:39:45 2021, atime=Wed May 12 21:39:45 2021, length=174080, window=hide	A2B52A062F02B93414CD76DBA84FE6BA	94819835438CCA230B3089AF9C8767CFFE9F1C9F	A2B21D42B3AEA8FAEEE48A308990A1405E694B3A0B8C37C1ECF49E52684718E6
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\index.dat	ASCII text, with CRLF line terminators	85121F807F772BC7FB4410CA5583907A	D7A223F4FE7FDEA95B5CC43B0BD686A3CD98CC1E	BE44E6D35861347BCB4FDB71496734B6ECDA5B6C6EB8C4FA1D5311ED47AFDC7A
C:\Users\user\Desktop\8AEE0000	Applesoft BASIC program data, first line number 16	BCA119A696B5DE6D548CB8CCE7879077	7286340EAEF35B14B19777A001E4F877DA9F1821	E9FA2130843779019E39BBA6D422E16AA110F8CA81602858881E0C8808C6A23C

Compliance:

Uses new MSVCR Dlls

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll

Jump to behavior

Uses secure TLS version for HTTPS connections

Source: unknown	HTTPS traffic detected: 192.185.39.58:443 -> 192.168.2.22:49167 version: TLS 1.2
Source: unknown	HTTPS traffic detected: 192.185.32.232:443 -> 192.168.2.22:49170 version: TLS 1.2

Software Vulnerabilities:

Document exploit detected (UrlDownloadToFile)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Section loaded: \KnownDlls\api-ms-win-downlevel-shlwapi-l2-1-0.dll origin: URLDownloadToFileA

Jump to behavior

Document exploit detected (process start blacklist hit)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Process created: C:\Windows\System32\rundll32.exe

Potential document exploit detected (performs DNS queries)

Source: global traffic

DNS query: name: signifysystem.com

Potential document exploit detected (performs HTTP gets)

Source: global traffic

TCP traffic: 192.168.2.22:49167 -> 192.185.39.58:443

Potential document exploit detected (unknown TCP traffic)

Source: global traffic

TCP traffic: 192.168.2.22:49167 -> 192.185.39.58:443

Networking:

IP address seen in connection with other malware

Source: Joe Sandbox View	IP Address: 192.185.39.58 192.185.39.58
Source: Joe Sandbox View	IP Address: 192.185.32.232 192.185.32.232

JA3 SSL client fingerprint seen in connection with other malware

Source: Joe Sandbox View

JA3 fingerprint: 7dcce5b76c8b17472d024758970a406b

Downloads files

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T4O403JZ

Jump to behavior

Found strings which match to known social media urls

Source: rundll32.exe, 00000002.00000002.2120510219.0000000001B40000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2113904598.0000000001B60000.00000002.00000001.sdmp

String found in binary or memory: Please visit http://www.hotmail.com/oe to learn more. equals www.hotmail.com (Hotmail)

Performs DNS lookups

Source: unknown

DNS traffic detected: queries for: signifysystem.com

URLs found in memory or binary data

Source: E0F5C59F9FA661F6F4C50B87FEF3A15A.0.dr	String found in binary or memory: http://apps.identrust.com/roots/dstrootcax3.p7c
Source: 77EC63BDA74BD0D0E0426DC8F8008506.0.dr	String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
Source: rundll32.exe, 00000002.00000002.2120510219.0000000001B40000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2113904598.0000000001B60000.00000002.00000001.sdmp	String found in binary or memory: http://investor.msn.com
Source: rundll32.exe, 00000002.00000002.2120510219.0000000001B40000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2113904598.0000000001B60000.00000002.00000001.sdmp	String found in binary or memory: http://investor.msn.com/
Source: rundll32.exe, 00000002.00000002.2120887471.0000000001D27000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2114086942.0000000001D47000.00000002.00000001.sdmp	String found in binary or memory: http://localizability/practices/XML.asp
Source: rundll32.exe, 00000002.00000002.2120887471.0000000001D27000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2114086942.0000000001D47000.00000002.00000001.sdmp	String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: rundll32.exe, 00000002.00000002.2120887471.0000000001D27000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2114086942.0000000001D47000.00000002.00000001.sdmp	String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: rundll32.exe, 00000002.00000002.2120887471.0000000001D27000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2114086942.0000000001D47000.00000002.00000001.sdmp	String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: rundll32.exe, 00000002.00000002.2120510219.0000000001B40000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2113904598.0000000001B60000.00000002.00000001.sdmp	String found in binary or memory: http://www.hotmail.com/oe
Source: rundll32.exe, 00000002.00000002.2120887471.0000000001D27000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2114086942.0000000001D47000.00000002.00000001.sdmp	String found in binary or memory: http://www.icra.org/vocabulary/.
Source: rundll32.exe, 00000002.00000002.2120510219.0000000001B40000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2113904598.0000000001B60000.00000002.00000001.sdmp	String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: rundll32.exe, 00000003.00000002.2113904598.0000000001B60000.00000002.00000001.sdmp	String found in binary or memory: http://www.windows.com/pctv.

Uses HTTPS

Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49167
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49170
Source: unknown	Network traffic detected: HTTP traffic on port 49170 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49167 -> 443

Uses secure TLS version for HTTPS connections

Source: unknown	HTTPS traffic detected: 192.185.39.58:443 -> 192.168.2.22:49167 version: TLS 1.2
Source: unknown	HTTPS traffic detected: 192.185.32.232:443 -> 192.168.2.22:49170 version: TLS 1.2

System Summary:

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Source: Screenshot number: 4	Screenshot OCR: Enable Editing 11 from the yellow bar above 12 13 Once You have Enable Editing, pleas ' RunDLL
Source: Screenshot number: 8	Screenshot OCR: Enable Editing 11 1 from the yellow bar above 12 13 2 Once You have Enable Editing, please click
Source: Screenshot number: 8	Screenshot OCR: Enable Content 14 , from the yellow bar above 15 D e 16 17 I 18 I WHY I CANNOT OPEN THIS DOCUME
Source: Document image extraction number: 5	Screenshot OCR: Enable Editing from the yellow bar above Once You have Enable Editing, please click Enable Content
Source: Document image extraction number: 5	Screenshot OCR: Enable Content from the yellow bar above WHY I CANNOT OPEN THIS DOCUMENT? You are using iOS or An
Source: Document image extraction number: 14	Screenshot OCR: Enable Editing from the yellow bar above Once You have Enable Editing, please click Enable Conte
Source: Document image extraction number: 14	Screenshot OCR: Enable Content from the yellow bar above WHY I CANNOT OPEN THIS DOCUMENT? w You are using IDS or

Found Excel 4.0 Macro with suspicious formulas

Source: afdab907_by_Libranalysis.xls	Initial sample: CALL
Source: afdab907_by_Libranalysis.xls	Initial sample: CALL
Source: afdab907_by_Libranalysis.xls	Initial sample: EXEC

Found abnormal large hidden Excel 4.0 Macro sheet

Source: afdab907_by_Libranalysis.xls

Initial sample: Sheet size: 14902

Document contains embedded VBA macros

Source: afdab907_by_Libranalysis.xls

OLE indicator, VBA macros: true

Binary contains paths to development resources

Source: rundll32.exe, 00000002.00000002.2120510219.0000000001B40000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2113904598.0000000001B60000.00000002.00000001.sdmp

Binary or memory string: .VBPud<_

Classification label

Source: classification engine

Classification label: mal68.expl.evad.winXLS@5/11@2/2

Creates files inside the user directory

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\Desktop\8AEE0000

Jump to behavior

Creates temporary files

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Temp\CVRE0FB.tmp

Jump to behavior

Document contains an OLE Workbook stream indicating a Microsoft Excel file

Source: afdab907_by_Libranalysis.xls

OLE indicator, Workbook stream: true

Reads ini files

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File read: C:\Users\desktop.ini

Jump to behavior

Reads software policies

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA

Jump to behavior

Runs a DLL by calling functions

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm,DllRegisterServer

Spawns processes

Source: unknown	Process created: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE 'C:\Program Files\Microsoft Office\Office14\EXCEL.EXE' /automation -Embedding
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm,DllRegisterServer
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm1,DllRegisterServer
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm,DllRegisterServer			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm1,DllRegisterServer			Jump to behavior

Found GUI installer (many successful clicks)

Source: C:\Windows\System32\rundll32.exe	Automated click: OK
Source: C:\Windows\System32\rundll32.exe	Automated click: OK

Found graphical window changes (likely an installer)

Source: Window Recorder

Window detected: More than 3 window changes detected

Checks if Microsoft Office is installed

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems

Jump to behavior

Uses new MSVCR Dlls

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll

Jump to behavior

Hooking and other Techniques for Hiding and Protection:

Disables application error messsages (SetErrorMode)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\System32\rundll32.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\System32\rundll32.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior